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OpenStudy (anonymous):
the expression (2x^2 + 6x + 5) - ( 6x^2 + 3x + 5) is equivalent to
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OpenStudy (anonymous):
(2x^2-6x^2)+(6x-3x)+(5-5) -4x^2+3x
OpenStudy (anonymous):
how did you do that?
OpenStudy (anonymous):
I started by taking the second segment of the expression and multiplying each part by -1 to account for the negative in front of the equation. Next, I lined up the terms that were alike. Finally, I added them together. A like term is: \[x ^{2}+6x ^{2}=7x ^{2}\]
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